/usr/lib/python2.7/site-packages/novaclient/client.py:278: UserWarning: The 'tenant_id' argument is deprecated in Ocata and its use may result in errors in future releases. As 'project_id' is provided, the 'tenant_id' argument will be ignored.

1. Physical or virtual system, or an instance running on a public or private IaaS.
2. Base OS: Fedora 21, CentOS 7.3, or RHEL 7.3 or later with "Minimal" installation option, or RHEL Atomic Host 7.3.2 or later. RHEL 7.2 is also supported using Docker 1.12 and its dependencies.
3. NetworkManager 1.0 or later.
4. 1 vCPU.
5. Minimum 8 GB RAM.
6. Minimum 15 GB hard disk space for the file system containing /var/.
7. An additional minimum 15 GB unallocated space to be used for Docker’s storage back end; see Configuring Docker Storage.

External etcd Nodes

1. Minimum 20 GB hard disk space for etcd data.
2. Consult Hardware Recommendations to properly size your etcd nodes.
3. Currently, OpenShift Origin stores image, build, and deployment metadata in etcd. You must periodically prune old resources. If you are planning to leverage a large number of images/builds/deployments, place etcd on machines with large amounts of memory and fast SSD drives.

PLAY RECAP ****************************************************************************************************************************************************************************************************

control02 : ok=598 changed=160 unreachable=0 failed=0

localhost : ok=12 changed=0 unreachable=0 failed=0

[root@control01 ~]#

[root@control01 ~]#

[root@control01 ~]#

[root@control01 ~]# ssh control02

Warning: Permanently added 'control02,192.168.56.101' (ECDSA) to the list of known hosts.